info = ('kene', '男', 18)
name, gender, age = info
print(name)
print(gender)
print(age)
print("*" * 50)

# 是用占位符
_, _, age = ('kene', '男', 18)
print(age)
print("*" * 50)

# 元素较多
a, b, *rest, c, d = range(10)
print(a, b, c, d)  # 0 1 8 9
print(rest)  # [2, 3, 4, 5, 6, 7]
print("*" * 50)

# 快速交换
num1 = 10
num2 = 5
num1, num2 = num2, num1
print(num1)
print(num2)